Conductive silver paste production viscosity adjusting device

The quantitative addition and stirring of diluents are achieved through the screw and gear transmission system, which solves the problem of inaccurate diluent injection in the prior art and improves the use effect of conductive silver paste production equipment.

CN223249154UActive Publication Date: 2025-08-22JIANGSU JINGHAI ELECTRONIC MATERIALS TECH CO LTD
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Patent Information

Application Number
CN202422501295.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-08-22
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

In the existing conductive silver paste production equipment, the inaccurate amount of diluent is caused by poor use, mainly due to the inaccurate return of the spring.

Method used

The screw and gear transmission system are adopted to drive the screw to push the piston plate through the motor drive gear, which realizes quantitative injection of the diluent and combines with the stirring rod to ensure accurate injection of the diluent.

Benefits of technology

The quantitative dosing of diluent is achieved, the accuracy of the injection amount is improved, and the operation convenience and use effect of the device are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of conductive silver paste viscosity adjustment, and discloses a conductive silver paste production viscosity adjusting device which comprises a tank body, a mounting plate is fixed on one side of the tank body, an adjusting structure is arranged on one side of the mounting plate, and the adjusting structure comprises a liquid storage tank fixed on one side of the mounting plate. And a piston plate is slidably arranged in the liquid storage tank. The first gear is driven to rotate through the adjusting structure and the forward rotation of the motor, the screw in threaded connection with the second gear moves downwards through the transmission of the toothed belt and the rotation of the second gear, the piston plate pushes diluent to enter the tank body through the input pipe, and after the diluent enters the tank body, a worker can start the motor to rotate reversely; the motor drives the stirring rod to rotate reversely, the one-way bearing does not rotate along with the stirring rod, the stirring rod stirs conductive silver paste and diluent, and therefore quantitative feeding of the diluent is achieved, the accuracy of the diluent injection amount is improved, and the using effect of the device is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of conductive silver paste viscosity adjustment, in particular to a conductive silver paste production viscosity adjustment device. Background Art

[0002] Silver paste consists of conductive silver powder, inorganic binder glass frit, an organic carrier, and trace additives to improve battery performance. It is applied to the substrate surface via screen printing or other spraying techniques, and forms an electrode film after drying. Chemically, silver paste is a viscous mechanical mixture of high-purity metallic silver particles, a binder, a solvent, and additives. During production, conductive silver paste is often produced by adding a diluent to adjust the solution's viscosity.

[0003] An existing viscosity adjustment device for conductive silver paste production (Announcement No.: CN216419088U) has at least the following disadvantages: although the above-mentioned device adjusts the position of the push rod to make the agent extraction tube or the liquid extraction tube perform suction and extrusion, and quantitatively sucks the diluent into the shell and stirs it, or sucks the conductive silver paste solution in the shell to the outside of the shell, the sliding block needs to be reset by a tension spring after sliding. The tension spring is prone to fatigue after repeated use, which can easily cause the sliding block to be reset inaccurately, thereby resulting in inaccurate injection amount of the diluent, and further resulting in poor use effect of the device. For this reason, we propose the present utility model. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a conductive silver paste production viscosity regulating device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A conductive silver paste production viscosity adjustment device includes a tank body, a mounting plate fixed to one side of the tank body, an adjustment structure provided on one side of the mounting plate, the adjustment structure including a liquid storage tank fixed to one side of the mounting plate, a piston plate slidably provided inside the liquid storage tank, a screw rotatably provided on the top surface of the mounting plate, the bottom end of the screw passes through the mounting plate and the top of the liquid storage tank and is fixed to the top surface of the piston plate, an input pipe is fixed to one side of the liquid storage tank, and one end of the input pipe is connected and fixed to the tank body.

[0007] As a further solution of the present invention, a mounting bracket is fixed to the top surface of the tank body, a stirring rod is rotatably arranged inside the tank body, the top end of the stirring rod passes through the inner top surface of the tank body, a motor is fixed to the top surface of the mounting bracket, the output end of the motor passes through the top surface of the mounting bracket and is fixed to the top end of the stirring rod, a one-way bearing is fixed to the outer cylindrical wall surface of the stirring rod, a first gear is fixed to the outer wall surface of the outer ring of the one-way bearing, a second gear is threadedly connected to the outer cylindrical surface of the screw, and a toothed belt is engaged between the first gear and the second gear.

[0008] As a further solution of the present invention, a limiting groove is fixed on the top surface of the mounting plate, a limiting ring is rotatably arranged inside the limiting groove, the top surface of the limiting ring is fixed to the bottom surface of the second gear, and a handwheel is fixed on the top end of the screw.

[0009] As a further solution of the present invention, a plurality of stirring blades are fixed to the outer circular wall surface of the stirring rod, and the plurality of stirring blades are evenly distributed along the length direction of the stirring rod.

[0010] As a further solution of the present invention, a feed hole is provided on the top surface of the tank body, a discharge pipe is fixedly connected to the outer circumferential wall surface of the tank body, and a piston is slidably inserted into the feed hole.

[0011] As a further solution of the present invention, the connection point between the input pipe and the tank body is located above the liquid storage tank, and the input pipe is connected to a fixed valve.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The viscosity adjustment device has an adjustment structure in which the motor rotates forward to drive the first gear to rotate. Through the transmission of the toothed belt, the second gear rotates to move the screw threadedly connected to it downward, and the piston plate pushes the diluent into the tank through the input pipe. After the diluent enters the tank, the staff can start the motor to reverse, so that the motor drives the stirring rod to reverse and the one-way bearing does not rotate accordingly. The stirring rod stirs the conductive silver paste and the diluent, thereby realizing quantitative addition of the diluent. At the same time, the operation is convenient, the accuracy of the diluent injection amount is improved, and the use effect of the device is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of a conductive silver paste production viscosity adjustment device proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the disassembled structure of a conductive silver paste production viscosity adjustment device proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the split structure of the stirring rod of a conductive silver paste production viscosity adjustment device proposed by the present invention;

[0017] Figure 4 This is a schematic diagram of the disassembled structure of the liquid storage tank of a conductive silver paste production viscosity adjustment device proposed by the present invention.

[0018] In the figure: 1. Tank body; 2. Mounting plate; 201. Liquid storage tank; 202. Piston plate; 203. Screw; 204. Input pipe; 3. Mounting frame; 301. Stirring rod; 302. One-way bearing; 303. First gear; 304. Second gear; 305. Toothed belt; 4. Limiting groove; 401. Limiting ring; 5. Stirring blade; 6. Feed hole; 601. Discharge pipe. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0022] like Figures 1-4 As shown, a conductive silver paste production viscosity adjustment device includes a tank body 1, a mounting plate 2 is fixed to one side of the tank body 1, and an adjustment structure is provided on one side of the mounting plate 2. The adjustment structure includes a liquid storage tank 201 fixed to one side of the mounting plate 2, a piston plate 202 is slidably provided inside the liquid storage tank 201, and a screw 203 is rotatably provided on the top surface of the mounting plate 2. The bottom end of the screw 203 passes through the mounting plate 2 and the top of the liquid storage tank 201 and is fixed to the top surface of the piston plate 202. An input pipe 204 is fixed to one side of the liquid storage tank 201, and one end of the input pipe 204 is connected and fixed to the tank body 1.

[0023] In this embodiment, a mounting bracket 3 is fixed to the top surface of the tank body 1, and a stirring rod 301 is rotatably provided inside the tank body 1. The top end of the stirring rod 301 passes through the inner top surface of the tank body 1, and a motor is fixed to the top surface of the mounting bracket 3. The output end of the motor passes through the top surface of the mounting bracket 3 and is fixed to the top end of the stirring rod 301. A one-way bearing 302 is fixed to the outer cylindrical surface of the stirring rod 301, and a first gear 303 is fixed to the outer wall surface of the outer ring of the one-way bearing 302. The outer cylindrical surface of the screw 203 is threadedly connected to the second gear 304. A toothed belt 305 is engaged between the first gear 303 and the second gear 304. By adjusting the structure, the staff starts the motor to rotate forward, and the forward rotation of the motor drives the first gear The wheel 303 rotates, and the first gear 303 drives the second gear 304 to rotate through the toothed belt 305. The rotation of the second gear 304 causes the screw 203 threadedly connected thereto to move downward, causing the screw 203 to push the piston plate 202 to move downward, and the piston plate 202 pushes the diluent into the tank body 1 through the input pipe 204. When the diluent enters the tank body 1, the staff can start the motor to reverse, so that the motor drives the stirring rod 301 to reverse and the one-way bearing does not rotate with it. The stirring rod 301 stirs the conductive silver paste and the diluent, thereby realizing quantitative addition of the diluent and facilitating the staff to add a large amount of diluent at one time. The operation is convenient, and the use effect of the device is improved.

[0024] In this embodiment, a limiting groove 4 is fixed on the top surface of the mounting plate 2, and a limiting ring 401 is rotatably provided inside the limiting groove 4. The top surface of the limiting ring 401 is fixed to the bottom surface of the second gear 304, and a handwheel is fixed to the top end of the screw 203. When the second gear 304 rotates to drive the screw 203 to move downward, the matching setting of the limiting groove 4 and the limiting ring 401 can prevent the position of the second gear 304 from being offset, thereby improving the stability of the device. At the same time, after the screw 203 moves, the staff can reset it by turning the handwheel.

[0025] In this embodiment, a plurality of stirring blades 5 are fixed to the outer circumferential wall of the stirring rod 301 . The stirring blades 5 are evenly distributed along the length of the stirring rod 301 . The stirring blades 5 can improve the stirring effect of the stirring rod 301 on the silver paste.

[0026] In this embodiment, a feed hole 6 is opened on the top surface of the tank body 1, and a discharge pipe 601 is fixedly connected to the outer circular wall surface of the tank body 1. A piston is slidably inserted into the inside of the feed hole 6. The staff can add silver paste to the tank body 1 through the feed hole 6 and discharge the stirred conductive silver paste through the discharge pipe 601.

[0027] In this embodiment, the connection point between the input pipe 204 and the tank body 1 is located above the liquid storage tank 201, and the input pipe 204 is connected to a fixed valve. When the diluent is stored in the liquid storage tank 201, the connection point between the input pipe 204 and the tank body 1 is higher than the liquid storage tank 201 and the valve can prevent the diluent from entering the tank body 1 when it is not needed.

[0028] Working principle: During use, the staff starts the motor to rotate forward, and the forward rotation of the motor drives the first gear 303 to rotate. The first gear 303 drives the second gear 304 to rotate through the toothed belt 305. The rotation of the second gear 304 causes the screw 203 threadedly connected thereto to move downward, causing the screw 203 to push the piston plate 202 to move downward, and the piston plate 202 pushes the diluent into the tank body 1 through the input pipe 204. When the diluent enters the tank body 1, the staff can start the motor to rotate in the reverse direction, so that the motor drives the stirring rod 301 to rotate in the reverse direction and the one-way bearing does not rotate with it. The stirring rod 301 stirs the conductive silver paste and the diluent. When the second gear 304 rotates When the screw 203 is driven to move downward, the matching setting of the limit groove 4 and the limit ring 401 can prevent the position of the second gear 304 from being offset, thereby improving the stability of the device. At the same time, after the screw 203 moves, the staff can reset it by turning the hand wheel, and the stirring blade 5 can improve the stirring effect of the stirring rod 301 on the silver paste. The staff can add silver paste to the tank body 1 through the feed hole 6, and discharge the stirred conductive silver paste through the discharge pipe 601. When the dilution liquid is stored in the liquid storage tank 201, the connection point between the input pipe 204 and the tank body 1 is higher than the liquid storage tank 201 and the valve can prevent the dilution liquid from entering the tank body 1 when no addition is required.

[0029] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A conductive silver paste production viscosity adjustment device, comprising a tank (1), characterized in that: A mounting plate (2) is fixed to one side of the tank body (1), and an adjustment structure is provided on one side of the mounting plate (2). The adjustment structure comprises a liquid storage tank (201) fixed to one side of the mounting plate (2), a piston plate (202) is slidably provided inside the liquid storage tank (201), a screw rod (203) is rotatably provided on the top surface of the mounting plate (2), the bottom end of the screw rod (203) passes through the top of the mounting plate (2) and the liquid storage tank (201) and is fixed to the top surface of the piston plate (202), an input pipe (204) is connected and fixed to one side of the liquid storage tank (201), and one end of the input pipe (204) is connected and fixed to the tank body (1).

2. The conductive silver paste production viscosity adjusting device according to claim 1, characterized in that: The top surface of the tank body (1) is fixed with a mounting frame (3), a stirring rod (301) is rotatably provided inside the tank body (1), the top end of the stirring rod (301) passes through the top surface of the tank body (1), a motor is fixed to the top surface of the mounting frame (3), the output end of the motor passes through the top surface of the mounting frame (3) and is fixed to the top end of the stirring rod (301), a one-way bearing (302) is fixed to the outer cylindrical surface of the stirring rod (301), a first gear (303) is fixed to the outer wall surface of the outer ring of the one-way bearing (302), a second gear (304) is threadedly connected to the outer cylindrical surface of the screw (203), and a toothed belt (305) is meshed between the first gear (303) and the second gear (304).

3. The conductive silver paste production viscosity regulating device according to claim 2, characterized in that: A limiting groove (4) is fixed on the top surface of the mounting plate (2), a limiting ring (401) is rotatably provided inside the limiting groove (4), the top surface of the limiting ring (401) is fixed to the bottom surface of the second gear (304), and a hand wheel is fixed on the top end of the screw rod (203).

4. The conductive silver paste production viscosity regulating device according to claim 3, characterized in that: A plurality of stirring blades (5) are fixed to the outer circular wall surface of the stirring rod (301), and the plurality of stirring blades (5) are evenly distributed along the length direction of the stirring rod (301).

5. The conductive silver paste production viscosity regulating device according to claim 4, characterized in that: The top surface of the tank body (1) is provided with a feed hole (6), the outer circular wall surface of the tank body (1) is connected to and fixed with a discharge pipe (601), and a piston is slidably inserted into the interior of the feed hole (6).

6. The conductive silver paste production viscosity regulating device according to claim 5, characterized in that: The connection point between the input pipe (204) and the tank body (1) is located above the liquid storage tank (201), and the input pipe (204) is connected to a fixed valve.

Citation Information

Patent Citations

  • Viscosity adjusting device for conductive silver paste production

    CN216419088U